protected override void GenerateCellState(Random random, int x, int y, out long state, out float stateValue, out object cellData)
{
ForestFireCellData ffCellData = new ForestFireCellData(null);
cellData = ffCellData;
state = STATE_EMPTY;
stateValue = 0;
if (random.NextDouble() < INIT_WATER_CHANCE)
{
stateValue = 0;
state = STATE_WATER;
}
else if (random.NextDouble() < INIT_TREE_CHANCE)
{
state = STATE_TREE;
ffCellData.Grow(random);
stateValue = 0;
}
}
protected override void CalculateNewState(int x, int y, long currentState, float currentStateValue, object currentCellData, float deltaTime, Random random, out long state, out float stateValue, out object cellData)
{
ForestFireCellData ffCellData = (ForestFireCellData)currentCellData;
state = currentState;
stateValue = currentStateValue;
cellData = ffCellData;
switch (currentState)
{
case STATE_EMPTY: {
int nb_tree = Neighbours(x, y, STATE_TREE);
if (random.NextDouble() < TREE_SEEDLING_CHANCE * nb_tree || random.NextDouble() < TREE_REGROW_CHANCE)
{
//if (random.NextDouble() < ffCellData.SproutChance(random) * TREE_REGROW_FACTOR) {
ffCellData.Grow(random);
state = STATE_TREE;
stateValue = 0;
}
break;
}
case STATE_ASH: {
int nb_tree = Neighbours(x, y, STATE_TREE);
float decomposition = ASH_DECOMPOSITION_BASE_FACTOR + nb_tree * ASH_DECOMPOSITION_TREE_FACTOR;
if (currentStateValue <= decomposition)
{
state = STATE_EMPTY;
stateValue = 0;
}
else
{
stateValue = Math.Max(0, currentStateValue - decomposition);
}
break;
}
case STATE_TREE: {
int nb_fire = Neighbours(x, y, STATE_FIRE);
float nbv_fire = NeighbourStateValue(x, y, STATE_FIRE, (v, a) => v + a);
int nb_water = Neighbours(x, y, STATE_WATER);
if ((nb_fire > nb_water && random.NextDouble() < 1 * nbv_fire) || random.NextDouble() < FIRE_CHANCE)
{
stateValue = currentStateValue;
state = STATE_FIRE;
ffCellData.Burn();
}
else
{
//foreach (object cD in NeighbourCellData(x, y)) {
// ForestFireCellData ffCD = (ForestFireCellData)cD;
// if (ffCD.TreeData == null)
// continue;
// if (random.NextDouble() >= SAPLING_SPREAD_CHANCE)
// continue;
// SaplingData newSapling = ffCD.TreeData.Mutate(random, SAPLING_MUTATION_CHANCE, SAPLING_MUTATION_STD_DEV);
// ffCellData.Add(newSapling);
//}
if (currentStateValue < 1)
{
int nb_ash = Neighbours(x, y, STATE_ASH);
float growth = GROWTH_FACTOR_BASE + nb_ash * ASH_GROWTH_FACTOR;
//float growth = ffCellData.TreeData.GrowModifier * GROWTH_FACTOR_BASE + nb_ash * ASH_GROWTH_FACTOR;
stateValue = Math.Min(1, currentStateValue + growth);
}
}
}
break;
case STATE_FIRE: {
int nb_water = Neighbours(x, y, STATE_WATER);
float diminishing = FIRE_DIMINISHING_BASE_FACTOR + nb_water * FIRE_DIMINISHING_WATER_FACTOR;
if (currentStateValue <= diminishing)
{
state = STATE_ASH;
stateValue = 1;
}
else
{
stateValue = Math.Max(0, currentStateValue - diminishing);
}
break;
}
}
}
